eharsojo

git clone  <repositry_url>

git pull  
git branch -l
git checkout -f
git reset --hard HEAD

git add .
git rm <file_name>
git commit -m "messages"

eharsojo

# http://edgeguides.rubyonrails.org/active_record_validations.html#performing-custom-validations

# First Example - custom validator without options
===================================================
class CustomValidator < ActiveModel::Validator
  def validate_each(record, attribute, value)
    if validation_failed
      record.errors[attribute] << "must have something todo with this value" 
    end
  end